[p1mrx]

> We don't need every atom in the universe to be able to have 16 public addresses.

IPv6 isn't even remotely that big. There are about 10^38 IPv6 addresses, 10^50 atoms on Earth, and 10^80 atoms in the universe.

[robbedpeter]

So you could probably address every grain of rice throughout all of human history, but not every atom on the planet.